Activated alkali cellulose and derivatives formed therefrom...

C - Chemistry – Metallurgy – 08 – B

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C08B 1/08 (2006.01) C08B 1/10 (2006.01)

Patent

CA 1047034

ABSTRACT A novel activated alkali cellulose material is provided herein. Furthermore, a novel process is conducted for preparing this activated alkali cellulose product which comprises reacting cellulose and a caustic reagent in a high energy reactor. Cellulose derivatives can then be formed by combining an appropriate chemical reactant with the activated alkali cellulose, either directly in the high energy reactor, or by interacting the respective activated cellulose material and chemical reactant in a subsequent step. Low viscosity alkali cellulose derivatives can also be rapidly and efficiently formed by employing an oxidizing gas during the reaction step. The alkali cellulose may be used to manufacture viscose rayons and carboxymethyl cellulose which is used in detergent warp-sizing applications.

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